Which of the following sets of angles of a triangle represents an acute triangle?
a. 30°, 60°, 90°
b. 45°, 40°, 95°
c. 40°, 40°, 100°
d. 60°, 65°, 55°

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

Will mark determine whether the conjecture is true or false. give a counterexample for any false conjecture. given: points r, s, and t conjecture: r, s, and t are coplanar. a) false; the points do not have to be in a straight line. b) true c) false; the points to not have to form right angles. d) false; one point may not be between the other two.

Which statement accurately describes how to perform a 90° clockwise rotation of point a (1,4) around the origin?